| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 30 | |
| #2 | Canada | 17 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Transport | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Packaging and shipping | |
| #6 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Casings for combustion chambers | |
| #2 | Rail vehicle suspensions | |
| #3 | Pipes | |
| #4 | Servomotors | |
| #5 | Railway bodies | |
| #6 | Unspecified technologies | |
| #7 | Feeding fuel to combustion device | |
| #8 | Grates | |
| #9 | Transport or storage devices | |
| #10 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Elvin Albert G | 46 |
| #2 | Martin Frederick W | 2 |
| #3 | Rosenfelt Samuel D | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA188466A | Stoker mechanism | |
| CA169080A | Furnace door | |
| CA169079A | Fire door apparatus | |
| CA168003A | Fire door apparatus | |
| CA163647A | Stoker | |
| US1190741A | Mechanical stoker. | |
| US1190529A | Furnace-door device. | |
| US1190528A | Fire-door apparatus. | |
| CA159017A | Mechanical stoker | |
| US1137471A | Mechanical stoker. | |
| CA155976A | Pedal for fire doors | |
| CA156429A | Fire door apparatus | |
| CA156085A | Fire door apparatus | |
| US1128428A | Mechanical stoker. | |
| US1186978A | Fire-door apparatus. | |
| CA152550A | Door operating mechanism | |
| US1186977A | Fire-door apparatus. | |
| CA147601A | Mechanical stoker | |
| CA147602A | Mechanical stoker | |
| US1111531A | Mechanical stoker. |